Merge pull request #189 from jacobsalmela/whitelist

Switched CRLF to LF (DOS to UNIX)
This commit is contained in:
Jacob Salmela 2016-01-17 18:34:02 -06:00
commit d77399727c

View file

@ -1,182 +1,182 @@
#!/usr/bin/env bash #!/usr/bin/env bash
# (c) 2015 by Jacob Salmela # (c) 2015 by Jacob Salmela
# This file is part of Pi-hole. # This file is part of Pi-hole.
# #
# Pi-hole is free software: you can redistribute it and/or modify # Pi-hole is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by # it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or # the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version. # (at your option) any later version.
if [[ $# = 0 ]]; then if [[ $# = 0 ]]; then
echo "Immediately blacklists one or more domains in the hosts file" echo "Immediately blacklists one or more domains in the hosts file"
echo " " echo " "
echo "Usage: blacklist.sh domain1 [domain2 ...]" echo "Usage: blacklist.sh domain1 [domain2 ...]"
echo " " echo " "
echo "Options:" echo "Options:"
echo " -d, --delmode Remove domains from the blacklist" echo " -d, --delmode Remove domains from the blacklist"
echo " -nr, --noreload Update blacklist without refreshing dnsmasq" echo " -nr, --noreload Update blacklist without refreshing dnsmasq"
echo " -f, --force Force updating of the hosts files, even if there are no changes" echo " -f, --force Force updating of the hosts files, even if there are no changes"
echo " -q, --quiet output is less verbose" echo " -q, --quiet output is less verbose"
exit 1 exit 1
fi fi
#globals #globals
blacklist=/etc/pihole/blacklist.txt blacklist=/etc/pihole/blacklist.txt
adList=/etc/pihole/gravity.list adList=/etc/pihole/gravity.list
reload=true reload=true
addmode=true addmode=true
force=false force=false
versbose=true versbose=true
domList=() domList=()
domToRemoveList=() domToRemoveList=()
piholeIPfile=/tmp/piholeIP piholeIPfile=/tmp/piholeIP
piholeIPv6file=/etc/pihole/.useIPv6 piholeIPv6file=/etc/pihole/.useIPv6
# Otherwise, the IP address can be taken directly from the machine, which will happen when the script is run by the user and not the installation script # Otherwise, the IP address can be taken directly from the machine, which will happen when the script is run by the user and not the installation script
IPv4dev=$(ip route get 8.8.8.8 | awk '{for(i=1;i<=NF;i++)if($i~/dev/)print $(i+1)}') IPv4dev=$(ip route get 8.8.8.8 | awk '{for(i=1;i<=NF;i++)if($i~/dev/)print $(i+1)}')
piholeIPCIDR=$(ip -o -f inet addr show dev $IPv4dev | awk '{print $4}' | awk 'END {print}') piholeIPCIDR=$(ip -o -f inet addr show dev $IPv4dev | awk '{print $4}' | awk 'END {print}')
piholeIP=${piholeIPCIDR%/*} piholeIP=${piholeIPCIDR%/*}
modifyHost=false modifyHost=false
if [[ -f $piholeIPv6file ]];then if [[ -f $piholeIPv6file ]];then
# If the file exists, then the user previously chose to use IPv6 in the automated installer # If the file exists, then the user previously chose to use IPv6 in the automated installer
piholeIPv6=$(ip -6 route get 2001:4860:4860::8888 | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "src") print $(i+1) }') piholeIPv6=$(ip -6 route get 2001:4860:4860::8888 | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "src") print $(i+1) }')
fi fi
function HandleOther(){ function HandleOther(){
#check validity of domain #check validity of domain
validDomain=$(echo $1 | perl -ne'print if /\b((?=[a-z0-9-]{1,63}\.)(xn--)?[a-z0-9]+(-[a-z0-9]+)*\.)+[a-z]{2,63}\b/') validDomain=$(echo $1 | perl -ne'print if /\b((?=[a-z0-9-]{1,63}\.)(xn--)?[a-z0-9]+(-[a-z0-9]+)*\.)+[a-z]{2,63}\b/')
if [ -z "$validDomain" ]; then if [ -z "$validDomain" ]; then
echo $1 is not a valid argument or domain name echo $1 is not a valid argument or domain name
else else
domList=("${domList[@]}" $validDomain) domList=("${domList[@]}" $validDomain)
fi fi
} }
function PopBlacklistFile(){ function PopBlacklistFile(){
#check blacklist file exists, and if not, create it #check blacklist file exists, and if not, create it
if [[ ! -f $blacklist ]];then if [[ ! -f $blacklist ]];then
touch $blacklist touch $blacklist
fi fi
for dom in "${domList[@]}" for dom in "${domList[@]}"
do do
if $addmode; then if $addmode; then
AddDomain $dom AddDomain $dom
else else
RemoveDomain $dom RemoveDomain $dom
fi fi
done done
} }
function AddDomain(){ function AddDomain(){
#| sed 's/\./\\./g' #| sed 's/\./\\./g'
bool=false bool=false
grep -Ex -q "$1" $blacklist || bool=true grep -Ex -q "$1" $blacklist || bool=true
if $bool; then if $bool; then
#domain not found in the blacklist file, add it! #domain not found in the blacklist file, add it!
if $versbose; then if $versbose; then
echo "** Adding $1 to blacklist file" echo "** Adding $1 to blacklist file"
fi fi
echo $1 >> $blacklist echo $1 >> $blacklist
modifyHost=true modifyHost=true
else else
if $versbose; then if $versbose; then
echo "** $1 already blacklisted! No need to add" echo "** $1 already blacklisted! No need to add"
fi fi
fi fi
} }
function RemoveDomain(){ function RemoveDomain(){
bool=false bool=false
grep -Ex -q "$1" $blacklist || bool=true grep -Ex -q "$1" $blacklist || bool=true
if $bool; then if $bool; then
#Domain is not in the blacklist file, no need to Remove #Domain is not in the blacklist file, no need to Remove
if $versbose; then if $versbose; then
echo "** $1 is NOT blacklisted! No need to remove" echo "** $1 is NOT blacklisted! No need to remove"
fi fi
else else
#Domain is in the blacklist file, add to a temporary array #Domain is in the blacklist file, add to a temporary array
if $versbose; then if $versbose; then
echo "** Un-blacklisting $dom..." echo "** Un-blacklisting $dom..."
fi fi
domToRemoveList=("${domToRemoveList[@]}" $1) domToRemoveList=("${domToRemoveList[@]}" $1)
modifyHost=true modifyHost=true
fi fi
} }
function ModifyHostFile(){ function ModifyHostFile(){
if $addmode; then if $addmode; then
#add domains to the hosts file #add domains to the hosts file
if [[ -r $blacklist ]];then if [[ -r $blacklist ]];then
numberOf=$(cat $blacklist | sed '/^\s*$/d' | wc -l) numberOf=$(cat $blacklist | sed '/^\s*$/d' | wc -l)
plural=; [[ "$numberOf" != "1" ]] && plural=s plural=; [[ "$numberOf" != "1" ]] && plural=s
echo "** blacklisting a total of $numberOf domain${plural}..." echo "** blacklisting a total of $numberOf domain${plural}..."
if [[ -n $piholeIPv6 ]];then if [[ -n $piholeIPv6 ]];then
cat $blacklist | awk -v ipv4addr="$piholeIP" -v ipv6addr="$piholeIPv6" '{sub(/\r$/,""); print ipv4addr" "$0"\n"ipv6addr" "$0}' >> $adList cat $blacklist | awk -v ipv4addr="$piholeIP" -v ipv6addr="$piholeIPv6" '{sub(/\r$/,""); print ipv4addr" "$0"\n"ipv6addr" "$0}' >> $adList
else else
cat $blacklist | awk -v ipv4addr="$piholeIP" '{sub(/\r$/,""); print ipv4addr" "$0}' >>$adList cat $blacklist | awk -v ipv4addr="$piholeIP" '{sub(/\r$/,""); print ipv4addr" "$0}' >>$adList
fi fi
fi fi
else else
for dom in "${domToRemoveList[@]}" for dom in "${domToRemoveList[@]}"
do do
#we need to remove the domains from the blacklist file and the host file #we need to remove the domains from the blacklist file and the host file
echo $dom | sed 's/\./\\./g' | xargs -I {} perl -i -ne'print unless /[^.]'{}'(?!.)/;' $adList echo $dom | sed 's/\./\\./g' | xargs -I {} perl -i -ne'print unless /[^.]'{}'(?!.)/;' $adList
echo $dom | sed 's/\./\\./g' | xargs -I {} perl -i -ne'print unless /'{}'(?!.)/;' $blacklist echo $dom | sed 's/\./\\./g' | xargs -I {} perl -i -ne'print unless /'{}'(?!.)/;' $blacklist
done done
fi fi
} }
function Reload() { function Reload() {
# Reload hosts file # Reload hosts file
echo "** Refresh lists in dnsmasq..." echo "** Refresh lists in dnsmasq..."
dnsmasqPid=$(pidof dnsmasq) dnsmasqPid=$(pidof dnsmasq)
if [[ $dnsmasqPid ]]; then if [[ $dnsmasqPid ]]; then
# service already running - reload config # service already running - reload config
sudo kill -HUP $dnsmasqPid sudo kill -HUP $dnsmasqPid
else else
# service not running, start it up # service not running, start it up
sudo service dnsmasq start sudo service dnsmasq start
fi fi
} }
################################################### ###################################################
for var in "$@" for var in "$@"
do do
case "$var" in case "$var" in
"-nr"| "--noreload" ) reload=false;; "-nr"| "--noreload" ) reload=false;;
"-d" | "--delmode" ) addmode=false;; "-d" | "--delmode" ) addmode=false;;
"-f" | "--force" ) force=true;; "-f" | "--force" ) force=true;;
"-q" | "--quiet" ) versbose=false;; "-q" | "--quiet" ) versbose=false;;
* ) HandleOther $var;; * ) HandleOther $var;;
esac esac
done done
PopBlacklistFile PopBlacklistFile
if $modifyHost || $force; then if $modifyHost || $force; then
echo "** Modifying Hosts File" echo "** Modifying Hosts File"
ModifyHostFile ModifyHostFile
else else
if $versbose; then if $versbose; then
echo "** No changes need to be made" echo "** No changes need to be made"
fi fi
exit 1 exit 1
fi fi
if $reload; then if $reload; then
Reload Reload
fi fi